TIME TESTED DESIGN: 1,2,3 Pack of Stainless Steel Longboard and SUP fin screws.
Usage: Slide in fin box, insert fin, put screw in, tighten with slotted screw driver.
UNIVERSAL FIT: Fits All Standard Fin Boxes. Plate is .55"x.55"x .15" (14mm x 14mm x 4mm). Screw is 10-32 X 3/4"(5mm x 19mm) Long.
HIGH QUALITY MATERIALS: 316 Stainless Steel Plate and 18-8 Stainless Steel Screw.
WILL NOT RUST